PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS35338-138BWasher,lock

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5310-00-224-0749 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-224-0749 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-224-0749. Primary manufacturer part number: MS35338-138B.
Features
  • Washer,lock — FSC 5310
  • Hole Diameter: 0.194 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN
  • Material Thickness: 0.047 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN
  • Nondefinitive Spec/std Data: 2 STYLE AND C CLASS
  • Surface Treatment Document and Classification: MIL-C-13924,CLASS 4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Hardness Rating: 35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
  • Outside Diameter: 0.334 INCHES MAXIMUM IN
  • Color: BLACK OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-224-0749, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 commercial cross-references from 14 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-224-0749
Primary Part NumberMS35338-138B
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
Hole Diameter0.194 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN
Material Thickness0.047 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN
Nondefinitive Spec/std Data2 STYLE AND C CLASS
Surface Treatment Document and ClassificationMIL-C-13924,CLASS 4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Hardness Rating35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
Outside Diameter0.334 INCHES MAXIMUM IN
ColorBLACK OVERALL
Style DesignatorSPLIT HELICAL-RIGHT HAND
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL CORROSION RESISTING OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5310-00-933-8120MS35338-138 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-01-420-7626 INTERCHANGEABLE
Washer,lock
5310-01-710-3398MS35338-138 INTERCHANGEABLE
Washer,lock
L3harris Nexgen Communications Llc
5962-01-710-5722MS35338-138 INTERCHANGEABLE
Microcircuit,digital
Bae Systems Information and Electronic Systems Integration Inc.
Cross-Reference Index
Part NumberManufacturer
592-4758540-138 B Zf Industrieantriebe Witten Gmbh (DEU)
MS35338-138 Zf Industrieantriebe Witten Gmbh (DEU)
40531001315 Tadiran Ltd (ISR)
310-0466-000 Wrought Washer Mfg., Inc. (USA)
MS35338-138B PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
5310PL0125351 Jednolity Indeks Materialowy - Uniform Material Index (POL)
MS35338-138B L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications (USA)
MS35338-138B Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS35338-138B Madison Aerospace, Inc. Dba Madison Aerospace Inc (USA)
10368519 Nimikkeistokeskus Ncb Finland (FIN)
950736-5 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
MS35338-138B Avicore Defense Inc. Dba Lm Products Inc (USA)
AA-55610-138 Zf Industrieantriebe Witten Gmbh (DEU)
FFW84 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AH736-5 Airhardware Inc (USA)
99928458M Elbit Systems of Australia Pty Ltd (AUS)
Related Parts
5310-00-933-8120INTERCHANGEABLE
WASHER,LOCK
MS35338-138
5310-01-420-7626INTERCHANGEABLE
WASHER,LOCK
5310-01-710-3398INTERCHANGEABLE
WASHER,LOCK
MS35338-138
5962-01-710-5722INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
MS35338-138

Frequently Asked Questions

What is NSN 5310-00-224-0749?

NSN 5310-00-224-0749 is a Washer,lock, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-224-0749?

NSN 5310-00-224-0749 has 16 cross-referenced part numbers: 592-4758540-138 B (Zf Industrieantriebe Witten Gmbh), MS35338-138 (Zf Industrieantriebe Witten Gmbh), 40531001315 (Tadiran Ltd), 310-0466-000 (Wrought Washer Mfg., Inc.), MS35338-138B (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use) and 11 more.

What NSN replaces 5310-00-224-0749?

There are 4 known substitutes for 5310-00-224-0749: 5310-00-933-8120, 5310-01-420-7626, 5310-01-710-3398 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS35338-138B?

Key specifications for MS35338-138B: Hole Diameter: 0.194 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN; Material Thickness: 0.047 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN; Nondefinitive Spec/std Data: 2 STYLE AND C CLASS; Surface Treatment Document and Classification: MIL-C-13924,CLASS 4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-224-0749 still in active supply?

NSN 5310-00-224-0749 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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